xserver and mesa git update 28-12-2010

1 files changed, 407 insertions, 0 deletions

diff --git a/mesalib/src/mesa/x86/x86_cliptest.S b/mesalib/src/mesa/x86/x86_cliptest.S
new file mode 100644
index 000000000..8556a887a
--- /dev/null
+++ b/mesalib/src/mesa/x86/x86_cliptest.S
@@ -0,0 +1,407 @@
+

+/*

+ * Mesa 3-D graphics library

+ * Version:  3.5

+ *

+ * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.

+ *

+ * Permission is hereby granted, free of charge, to any person obtaining a

+ * copy of this software and associated documentation files (the "Software"),

+ * to deal in the Software without restriction, including without limitation

+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,

+ * and/or sell copies of the Software, and to permit persons to whom the

+ * Software is furnished to do so, subject to the following conditions:

+ *

+ * The above copyright notice and this permission notice shall be included

+ * in all copies or substantial portions of the Software.

+ *

+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

+ */

+

+/*

+ * NOTE: Avoid using spaces in between '(' ')' and arguments, especially

+ * with macros like CONST, LLBL that expand to CONCAT(...).  Putting spaces

+ * in there will break the build on some platforms.

+ */

+

+#include "assyntax.h"

+#include "matypes.h"

+#include "clip_args.h"

+

+#define SRC0		REGOFF(0, ESI)

+#define SRC1		REGOFF(4, ESI)

+#define SRC2		REGOFF(8, ESI)

+#define SRC3		REGOFF(12, ESI)

+#define DST0		REGOFF(0, EDI)

+#define DST1		REGOFF(4, EDI)

+#define DST2		REGOFF(8, EDI)

+#define DST3		REGOFF(12, EDI)

+#define MAT0		REGOFF(0, EDX)

+#define MAT1		REGOFF(4, EDX)

+#define MAT2		REGOFF(8, EDX)

+#define MAT3		REGOFF(12, EDX)

+

+

+/*

+ * Table for clip test.

+ *

+ * 	bit6 = SRC3 < 0

+ * 	bit5 = SRC2 < 0

+ * 	bit4 = abs(S(2)) > abs(S(3))

+ * 	bit3 = SRC1 < 0

+ * 	bit2 = abs(S(1)) > abs(S(3))

+ * 	bit1 = SRC0 < 0

+ * 	bit0 = abs(S(0)) > abs(S(3))

+ */

+

+	SEG_DATA

+

+clip_table:

+	D_BYTE 0x00, 0x01, 0x00, 0x02, 0x04, 0x05, 0x04, 0x06

+	D_BYTE 0x00, 0x01, 0x00, 0x02, 0x08, 0x09, 0x08, 0x0a

+	D_BYTE 0x20, 0x21, 0x20, 0x22, 0x24, 0x25, 0x24, 0x26

+	D_BYTE 0x20, 0x21, 0x20, 0x22, 0x28, 0x29, 0x28, 0x2a

+	D_BYTE 0x00, 0x01, 0x00, 0x02, 0x04, 0x05, 0x04, 0x06

+	D_BYTE 0x00, 0x01, 0x00, 0x02, 0x08, 0x09, 0x08, 0x0a

+	D_BYTE 0x10, 0x11, 0x10, 0x12, 0x14, 0x15, 0x14, 0x16

+	D_BYTE 0x10, 0x11, 0x10, 0x12, 0x18, 0x19, 0x18, 0x1a

+	D_BYTE 0x3f, 0x3d, 0x3f, 0x3e, 0x37, 0x35, 0x37, 0x36

+	D_BYTE 0x3f, 0x3d, 0x3f, 0x3e, 0x3b, 0x39, 0x3b, 0x3a

+	D_BYTE 0x2f, 0x2d, 0x2f, 0x2e, 0x27, 0x25, 0x27, 0x26

+	D_BYTE 0x2f, 0x2d, 0x2f, 0x2e, 0x2b, 0x29, 0x2b, 0x2a

+	D_BYTE 0x3f, 0x3d, 0x3f, 0x3e, 0x37, 0x35, 0x37, 0x36

+	D_BYTE 0x3f, 0x3d, 0x3f, 0x3e, 0x3b, 0x39, 0x3b, 0x3a

+	D_BYTE 0x1f, 0x1d, 0x1f, 0x1e, 0x17, 0x15, 0x17, 0x16

+	D_BYTE 0x1f, 0x1d, 0x1f, 0x1e, 0x1b, 0x19, 0x1b, 0x1a

+

+

+	SEG_TEXT

+

+/*

+ * _mesa_x86_cliptest_points4

+ *

+ *   AL:  ormask

+ *   AH:  andmask

+ *   EBX: temp0

+ *   ECX: temp1

+ *   EDX: clipmask[]

+ *   ESI: clip[]

+ *   EDI: proj[]

+ *   EBP: temp2

+ */

+

+#if defined(__ELF__) && defined(__PIC__) && defined(GNU_ASSEMBLER) && !defined(ELFPIC)

+#define ELFPIC

+#endif

+

+ALIGNTEXT16

+GLOBL GLNAME( _mesa_x86_cliptest_points4 )

+HIDDEN(_mesa_x86_cliptest_points4)

+GLNAME( _mesa_x86_cliptest_points4 ):

+

+#ifdef ELFPIC

+#define FRAME_OFFSET 20

+#else

+#define FRAME_OFFSET 16

+#endif

+	PUSH_L( ESI )

+	PUSH_L( EDI )

+	PUSH_L( EBP )

+	PUSH_L( EBX )

+

+#ifdef ELFPIC

+	/* store pointer to clip_table on stack */

+	CALL( LLBL(ctp4_get_eip) )

+	ADD_L( CONST(_GLOBAL_OFFSET_TABLE_), EBX )

+	MOV_L( REGOFF(clip_table@GOT, EBX), EBX )

+	PUSH_L( EBX )

+	JMP( LLBL(ctp4_clip_table_ready) )

+

+LLBL(ctp4_get_eip):

+	/* store eip in ebx */

+	MOV_L( REGIND(ESP), EBX )

+	RET

+

+LLBL(ctp4_clip_table_ready):

+#endif

+

+	MOV_L( ARG_SOURCE, ESI )

+	MOV_L( ARG_DEST, EDI )

+

+	MOV_L( ARG_CLIP, EDX )

+	MOV_L( ARG_OR, EBX )

+

+	MOV_L( ARG_AND, EBP )

+	MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )

+

+	MOV_L( REGOFF(V4F_COUNT, ESI), ECX )

+	MOV_L( REGOFF(V4F_START, ESI), ESI )

+

+	OR_L( CONST(VEC_SIZE_4), REGOFF(V4F_FLAGS, EDI) )

+	MOV_L( EAX, ARG_SOURCE )	/* put stride in ARG_SOURCE */

+

+	MOV_L( CONST(4), REGOFF(V4F_SIZE, EDI) )

+	MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )

+

+	MOV_L( REGOFF(V4F_START, EDI), EDI )

+	ADD_L( EDX, ECX )

+

+	MOV_L( ECX, ARG_CLIP )		/* put clipmask + count in ARG_CLIP */

+	CMP_L( ECX, EDX )

+

+	MOV_B( REGIND(EBX), AL )

+	MOV_B( REGIND(EBP), AH )

+

+	JZ( LLBL(ctp4_finish) )

+

+ALIGNTEXT16

+LLBL(ctp4_top):

+

+	FLD1				/* F3 */

+	FDIV_S( SRC3 )		/* GH: don't care about div-by-zero */

+

+	MOV_L( SRC3, EBP )

+	MOV_L( SRC2, EBX )

+

+	XOR_L( ECX, ECX )

+	ADD_L( EBP, EBP )	/* ebp = abs(S(3))*2 ; carry = sign of S(3) */

+

+	ADC_L( ECX, ECX )

+	ADD_L( EBX, EBX )	/* ebx = abs(S(2))*2 ; carry = sign of S(2) */

+

+	ADC_L( ECX, ECX )

+	CMP_L( EBX, EBP )	/* carry = abs(S(2))*2 > abs(S(3))*2 */

+

+	ADC_L( ECX, ECX )

+	MOV_L( SRC1, EBX )

+

+	ADD_L( EBX, EBX )	/* ebx = abs(S(1))*2 ; carry = sign of S(1) */

+

+	ADC_L( ECX, ECX )

+	CMP_L( EBX, EBP )	/* carry = abs(S(1))*2 > abs(S(3))*2 */

+

+	ADC_L( ECX, ECX )

+	MOV_L( SRC0, EBX )

+

+	ADD_L( EBX, EBX )	/* ebx = abs(S(0))*2 ; carry = sign of S(0) */

+

+	ADC_L( ECX, ECX )

+	CMP_L( EBX, EBP )	/* carry = abs(S(0))*2 > abs(S(3))*2 */

+

+	ADC_L( ECX, ECX )

+

+#ifdef ELFPIC

+	MOV_L( REGIND(ESP), EBP )	/* clip_table */

+

+	MOV_B( REGBI(EBP, ECX), CL )

+#else

+	MOV_B( REGOFF(clip_table,ECX), CL )

+#endif

+

+	OR_B( CL, AL )

+	AND_B( CL, AH )

+

+	TEST_B( CL, CL )

+	MOV_B( CL, REGIND(EDX) )

+

+	JZ( LLBL(ctp4_proj) )

+

+LLBL(ctp4_noproj):

+

+	FSTP( ST(0) )			/* */

+

+	MOV_L( CONST(0), DST0 )

+	MOV_L( CONST(0), DST1 )

+	MOV_L( CONST(0), DST2 )

+	MOV_L( CONST(0x3f800000), DST3 )

+

+	JMP( LLBL(ctp4_next) )

+

+LLBL(ctp4_proj):

+

+	FLD_S( SRC0 )			/* F0 F3 */

+	FMUL2( ST(1), ST0 )

+

+	FLD_S( SRC1 )			/* F1 F0 F3 */

+	FMUL2( ST(2), ST0 )

+

+	FLD_S( SRC2 )			/* F2 F1 F0 F3 */

+	FMUL2( ST(3), ST0 )

+

+	FXCH( ST(2) )			/* F0 F1 F2 F3 */

+	FSTP_S( DST0 )		/* F1 F2 F3 */

+	FSTP_S( DST1 )		/* F2 F3 */

+	FSTP_S( DST2 )		/* F3 */

+	FSTP_S( DST3 )		/* */

+

+LLBL(ctp4_next):

+

+	INC_L( EDX )

+	ADD_L( CONST(16), EDI )

+

+	ADD_L( ARG_SOURCE, ESI )

+	CMP_L( EDX, ARG_CLIP )

+

+	JNZ( LLBL(ctp4_top) )

+

+	MOV_L( ARG_OR, ECX )

+	MOV_L( ARG_AND, EDX )

+

+	MOV_B( AL, REGIND(ECX) )

+	MOV_B( AH, REGIND(EDX) )

+

+LLBL(ctp4_finish):

+

+	MOV_L( ARG_DEST, EAX )

+#ifdef ELFPIC

+	POP_L( ESI )			/* discard ptr to clip_table */

+#endif

+	POP_L( EBX )

+	POP_L( EBP )

+	POP_L( EDI )

+	POP_L( ESI )

+

+	RET

+

+

+

+

+

+

+

+ALIGNTEXT16

+GLOBL GLNAME( _mesa_x86_cliptest_points4_np )

+HIDDEN(_mesa_x86_cliptest_points4_np)

+GLNAME( _mesa_x86_cliptest_points4_np ):

+

+#ifdef ELFPIC

+#define FRAME_OFFSET 20

+#else

+#define FRAME_OFFSET 16

+#endif

+	PUSH_L( ESI )

+	PUSH_L( EDI )

+	PUSH_L( EBP )

+	PUSH_L( EBX )

+

+#ifdef ELFPIC

+	/* store pointer to clip_table on stack */

+	CALL( LLBL(ctp4_np_get_eip) )

+	ADD_L( CONST(_GLOBAL_OFFSET_TABLE_), EBX )

+	MOV_L( REGOFF(clip_table@GOT, EBX), EBX )

+	PUSH_L( EBX )

+	JMP( LLBL(ctp4_np_clip_table_ready) )

+

+LLBL(ctp4_np_get_eip):

+	/* store eip in ebx */

+	MOV_L( REGIND(ESP), EBX )

+	RET

+

+LLBL(ctp4_np_clip_table_ready):

+#endif

+

+	MOV_L( ARG_SOURCE, ESI )

+	/* slot */

+

+	MOV_L( ARG_CLIP, EDX )

+	MOV_L( ARG_OR, EBX )

+

+	MOV_L( ARG_AND, EBP )

+	MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )

+

+	MOV_L( REGOFF(V4F_COUNT, ESI), ECX )

+	MOV_L( REGOFF(V4F_START, ESI), ESI )

+

+	MOV_L( EAX, ARG_DEST )   	/* put stride in ARG_DEST */

+	ADD_L( EDX, ECX )

+

+	MOV_L( ECX, EDI )		/* put clipmask + count in EDI */

+	CMP_L( ECX, EDX )

+

+	MOV_B( REGIND(EBX), AL )

+	MOV_B( REGIND(EBP), AH )

+

+	JZ( LLBL(ctp4_np_finish) )

+

+ALIGNTEXT16

+LLBL(ctp4_np_top):

+

+	MOV_L( SRC3, EBP )

+	MOV_L( SRC2, EBX )

+

+	XOR_L( ECX, ECX )

+	ADD_L( EBP, EBP )	/* ebp = abs(S(3))*2 ; carry = sign of S(3) */

+

+	ADC_L( ECX, ECX )

+	ADD_L( EBX, EBX )	/* ebx = abs(S(2))*2 ; carry = sign of S(2) */

+

+	ADC_L( ECX, ECX )

+	CMP_L( EBX, EBP )	/* carry = abs(S(2))*2 > abs(S(3))*2 */

+

+	ADC_L( ECX, ECX )

+	MOV_L( SRC1, EBX )

+

+	ADD_L( EBX, EBX )	/* ebx = abs(S(1))*2 ; carry = sign of S(1) */

+

+	ADC_L( ECX, ECX )

+	CMP_L( EBX, EBP )	/* carry = abs(S(1))*2 > abs(S(3))*2 */

+

+	ADC_L( ECX, ECX )

+	MOV_L( SRC0, EBX )

+

+	ADD_L( EBX, EBX )	/* ebx = abs(S(0))*2 ; carry = sign of S(0) */

+

+	ADC_L( ECX, ECX )

+	CMP_L( EBX, EBP )	/* carry = abs(S(0))*2 > abs(S(3))*2 */

+

+	ADC_L( ECX, ECX )

+

+#ifdef ELFPIC

+	MOV_L( REGIND(ESP), EBP )	/* clip_table */

+

+	MOV_B( REGBI(EBP, ECX), CL )

+#else

+	MOV_B( REGOFF(clip_table,ECX), CL )

+#endif

+

+	OR_B( CL, AL )

+	AND_B( CL, AH )

+

+	TEST_B( CL, CL )

+	MOV_B( CL, REGIND(EDX) )

+

+	INC_L( EDX )

+	/* slot */

+

+	ADD_L( ARG_DEST, ESI )

+	CMP_L( EDX, EDI )

+

+	JNZ( LLBL(ctp4_np_top) )

+

+	MOV_L( ARG_OR, ECX )

+	MOV_L( ARG_AND, EDX )

+

+	MOV_B( AL, REGIND(ECX) )

+	MOV_B( AH, REGIND(EDX) )

+

+LLBL(ctp4_np_finish):

+

+	MOV_L( ARG_SOURCE, EAX )

+#ifdef ELFPIC

+	POP_L( ESI )			/* discard ptr to clip_table */

+#endif

+	POP_L( EBX )

+	POP_L( EBP )

+	POP_L( EDI )

+	POP_L( ESI )

+

+	RET

+	

+#if defined (__ELF__) && defined (__linux__)

+	.section .note.GNU-stack,"",%progbits

+#endif